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" ... A martian rock formation as seen from Perseverance. ... "
" ... Mars pre (L) and post (R) dust storm, which are common occurrences during the martian summers. Image... [+] credit: NASA/JPL/Malin Space Science Systems, from Mars Global Surveyor. ... "
" ... The martian vortex was simulated by the researchers using numerical models with good accuracy. A Martian solar day or "sol" is about 24 hours, 39 minutes, and 35.244 second. The new paper suggests that 0.5 to 2.0 sols may be a critical time scale similar to certain radiative (energy) process time scales of Mars' polar atmosphere and may be important (along with weak topographic forcing) in maintaining the Martian Polar Vortex. Ok, so what? Well, we now send spacecraft and rovers to Mars. One day we will send humans. ... "